import { Message } from "./message.js";

/**
* @typedef {Object} MessageLike
* @property {string} action - every string valid for JS function name.
* @property {Object} data - The user's last name.
*/

/**
 * @param {string|MessageLike} message - Message itself of JSON representation of Message
 */
function processMessage(messageLike = {}) {
  const message = new Message(messageLike);

  if(!message.isValid()) {
    console.error("Got mallformed message:", message);
    return;
  };

  if (this.actions[message.action]) {
    this.actions[message.action](message.data);
  } else {
    this.fallbackAction(message);
  }
};

const messageProcessor = {
  // Use Map instead?
  actions: {},
  processMessage,
  fallbackAction: function(x) {
    console.log("No actions for message:", x)
  }
}

export { messageProcessor };